{"affected":[{"affectedData":[{"product":"Tor","vendor":"n/a","versions":[{"status":"affected","version":"Tor"}]}],"source":"security@debian.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*","matchCriteriaId":"2AB5264E-06CF-490E-AF89-6B69EC87E0E6","versionEndIncluding":"0.2.9.14","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*","matchCriteriaId":"D374CB99-AD88-4894-BAC3-365CB784BDC5","versionEndIncluding":"0.3.1.9","versionStartIncluding":"0.3.1.7","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.1.1:alpha:*:*:*:*:*:*","matchCriteriaId":"725179F8-E402-4238-9A17-AD237145C0D0","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.1.2:alpha:*:*:*:*:*:*","matchCriteriaId":"B3B36195-8CE2-40CC-9701-5ECA042A395F","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.1.3:alpha:*:*:*:*:*:*","matchCriteriaId":"47279FE4-FD6E-4FE6-B2BD-7D3EA20A2F11","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.1.4:alpha:*:*:*:*:*:*","matchCriteriaId":"801F7D20-5525-4733-A0EB-E54D68C6B2D0","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.1.5:alpha:*:*:*:*:*:*","matchCriteriaId":"65B2EE3E-A8AB-46C0-8A43-E89ECC6F9E12","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.1.6:rc:*:*:*:*:*:*","matchCriteriaId":"11081D34-ACC7-4C62-A02A-41B1A22727B0","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.1:alpha:*:*:*:*:*:*","matchCriteriaId":"8726B8B1-2DA1-4A14-8786-694FDC76EB13","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.2:alpha:*:*:*:*:*:*","matchCriteriaId":"2920D83F-194D-46FC-8424-8FA170E7B1A4","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.3:alpha:*:*:*:*:*:*","matchCriteriaId":"8C882A1F-B1E1-4512-99EF-356C1B888E5A","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.4:alpha:*:*:*:*:*:*","matchCriteriaId":"269D4F0F-1A64-4BD7-8ECA-D6AEB82238FE","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.5:alpha:*:*:*:*:*:*","matchCriteriaId":"B221269E-646C-4539-813A-3704328D58E8","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.6:alpha:*:*:*:*:*:*","matchCriteriaId":"5702AFE4-DDC4-4992-B258-5D279035219F","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.7:rc:*:*:*:*:*:*","matchCriteriaId":"A361C8B4-37E0-4A93-9235-6D0545C0A778","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.8:rc:*:*:*:*:*:*","matchCriteriaId":"D897A116-0868-404D-A395-FECFE8EAFA8E","vulnerable":true},{"criteria":"cpe:2.3:a:torproject:tor:0.3.2.9:*:*:*:*:*:*:*","matchCriteriaId":"B702FB76-CAAD-4F27-B500-482FEA31154E","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service (NULL pointer dereference and directory-authority crash) via a misformatted relay descriptor that is mishandled during voting."},{"lang":"es","value":"Se ha descubierto un problema en Tor en versiones anteriores a la 0.2.9.15, versiones 0.3.1.x anteriores a la 0.3.1.10 y versiones 0.3.2.x anteriores a la 0.3.2.10. La implementación del subprotocolo directory-authority protocol-list permite que atacantes remotos provoquen una denegación de servicio (desreferencia de puntero NULL y cierre inesperado de directory-authority) mediante un descriptor de relevo con formato erróneo que se gestiona de manera incorrecta durante la votación."}],"id":"CVE-2018-0490","lastModified":"2026-06-17T01:30:56.853","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2018-03-05T15:29:00.207","references":[{"source":"security@debian.org","tags":["Vendor Advisory"],"url":"https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915"},{"source":"security@debian.org","tags":["Vendor Advisory"],"url":"https://trac.torproject.org/projects/tor/ticket/25074"},{"source":"security@debian.org","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2018/dsa-4183"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://trac.torproject.org/projects/tor/ticket/25074"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2018/dsa-4183"}],"sourceIdentifier":"security@debian.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-476"}],"source":"nvd@nist.gov","type":"Primary"}]}